- #1
hhhmortal
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Homework Statement
I’m trying to integrate the surface of a cylinder.
I know when integrating the surface of a cylinder the surface element is:
ρdØdz
Where ρ² + z² = r²
And for a sphere it is:
r²sinθdθdØ
In a sphere r=ρ
But in a cylinder when I’m integrating its surface, could it be written as:
(r² - z² )½ . dθ.dz
For example ∫∫zdS over a cylinder from 0<z<5 and 0<Ø<2π
Would it be:
∫∫z. (r² - z² )½ . dθ.dz ?